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Fig 4. Comparison between angiogram and the PMP for the location of case 13 (arrows). Both examinations show a transitional aneurysm (neck intracavernous and sac transitional). The PMP depicts a widest supracavernous portion than it is suspected on initial DSA. A, DSA of the left ICA in the lateral view. B, 3D-DSA of the left ICA in the anterior view. C, PMP in the carotid plane (OL indicates optic line; RL, roof line). D, PMP in the diaphragmatic plane (DL indicates diaphragmatic line; CL, clinoid line).
